VP1000A

www.DataSheet4U.com VOICE FEATURES n n n n n n High quality voice & sound generation Record & playback with external SRAM Playback-only with external EPROM or ROM Stand-alone operation 32K x 8 direct memory addressing, expandable Single 5V DC supply voltage n n n n n n VP-1000A Digital Voice Processor Low power consumption Continuous Variable Slope Delta (CVSD) modulation Sampling rate from 24Kbps to 128 Kbps Message digitization with the VP-880 or the VW-1000A Pin to pin compatible with UM5100 40-pin DIP (VP-1000A) or 48-pin QFP (VP-1000AF) GENERAL DESCRIPTIONS The VP-1000A is an advanced CMOS LSI chip for general purpose voice/sound record and playback applications. It can be interfaced with external SRAM to construct a realtime recording circuitry, or with external ROM or EPROM for playback only applications. When ROM or EPROM is used, the sound must be digitized by using Eletech's VP-880 Voice Development System or VW1000A Voice EPROM Writer. The VP-1000A is totally self-contained. It can access the external memory all by itself without the help from any microprocessor. Although the chip provides only 15 address lines, an external counter can be easily added to extend the memory addressing to virtuely no limitation. Therefore very long message length can be achieved easily. Overall, the VP-1000A offers high voice quality and flexible memory addressing that no other chips can. APPLICATIONS n Voice memo recorder n Sound effects generator www.DataSheet4U.com n Digit...